Hardware Spec Index

Tessarix WA-7891 Ultra Wi-Fi 6E PCIe Card (2,402 Mbps)

Wi-Fi Adapters · Tessarix · SKU WA7891-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index3,686 (Wi-Fi Adapters scale)
Category rank#22,534
Street price$139
Power3 W
Performance per dollar26.52
Released2022

Specifications

BrandTessarix
ModelTessarix WA-7891 Ultra
Wi-Fi standardWi-Fi 6E (IEEE 802.11ax)
Form factorPCIe x1 add-in card
Max PHY rate2,402 Mbps (6 GHz, 160 MHz, 2×2)
Bands2.4 / 5 / 6 GHz
Max channel width160 MHz
Modulation1024-QAM
MLONot supported
BluetoothBluetooth 5.3
Antennas2× external, magnetic base
OS supportWindows 11, Linux (kernel 6.x)

Related guides

Wi-Fi 6E ExplainedWi-Fi 6 vs Wi-Fi 6E vs Wi-Fi 7 ComparedWi-Fi 7 (802.11be) Explained

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Cite this page: Hardware Spec Index, “Tessarix WA-7891 Ultra Wi-Fi 6E PCIe Card (2,402 Mbps)”, https://vextor7.com/item/379491 (accessed 2026-10-19).